Treatment of perforated duodenal ulcers.
D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000601:surgery*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000601:surgery*; D011183:Postoperative Complications